Cortex Plug Hidden Fasteners - for Azek Redland Rose -300 sq ft. pack Very quick and easy to use. Hides screw holes perfectly. Provides maximum holding power The best option for fastening AZEK decking Concealed fastener kit includes 1050 star drive 2" screws, 1200 plugs, and 6 setting tools Cut from Azek for exact color match, no predrilling required and is ACQ compliant.